Please help me or I'll faint!

Hello everyone, I'll get straight to the point. I have Windows 7 64 bit installed on my PC. I installed GTA 5 on my PC. It started crashing, I checked the event log yesterday for the cause of the issue. It stated that GTA 5 had problems with "KernelBase.dll" and "Kernel32.dll". So I moved those files to the desktop (NOT DELETED). So when I finished playing GTA 5 I moved those files back to the "System32" folder. But today when I was playing GTA 5, I got a blue screen of death, and the system tried to restart. It said

"Boot Manager:
Windows failed to start. A recent hardware of software change might be the cause. To fix the problem:

1.Insert your Windows installation disc and restart the computer.
2.Choose your language settings, and then click "Next".
3.Click "Repair your computer."

If you do not have this disc, contact your system administrator or computer manufacturer for assistance.

Status: 0xc000000f

Info: The boot selection failed because a required device is inaccessible."

I shouldn't have to insert the disk considering I have the files in the desktop. Is there any other way to do it without the disk, because I installed Windows 7 from a disk that my friend gave me and I had to return it to him, plus my CD/DVD drive sometimes has problems reading disks. Please help me, I'm so scared right now.

Perhaps you can use a Live Linux distro, and copy from that. Linux Mint MATE is a popular distro, you can download the ISO and burn to CD/DVD or make a bootable USB flash drive using Rufus. When you boot with it, make sure you TRY and not install. Once on desktop, copy paste the files back into original places.

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Also, do you have windows 7 64 bit repair disk? Repair CD - System Repair Disk
You could perhaps copy them back in command prompt.

Thank you for your reply. How do I boot with USB and not try to install? And no, I do not have the Windows 64 bit repair disk.

During BIOS POST (first screen you see), it should say which key to press to get "Boot Menu" or something similar. When you get to it, select the USB from list. You may also set to boot from USB first from within BIOS. See what options you got.

You can use How to create a bootable Linux Mint USB drive using Windows « Everyday Linux User to make the bootable USB stick, or Rufus as mentioned in my first post.

Ok, thanks! I'll see what I can do.

I had written above that I got it from a friend.

Hello everyone. I fixed my laptop! What I did wwas burn Windows files in a USB using Rufus, booted the laptop with the USB, open command prompt, and use the command prompt to move the "KernelBase.dll" and "Kernel32.dll" files from the desktop to the "System32" folder. Thank you all who helped me!